Latest updates have disabled my broadcom wifi - again. Past work-arounds are no longer working

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1

After performing a system update today, the WiFi on my MacBookPro11,3 laptop no longer works. This has happened several times in the past but I was able to resolve the issue by visiting these forums to find articles on either re-installing the broadcom drivers or by temporarily down-grading the wpa_supplicant drivers. Neither of these past fixes work for me this time.

I’m looking for some guidance on how to resolve this without resorting to an external WiFi device.

Thanks

2

I have a late 2012 iMac which I think has the same WiFi hardware:

% inxi -Nzxx
Network:
 Device-1: Broadcom BCM4360 802.11ac Dual Band Wireless Network Adapter
   vendor: Apple driver: wl v: kernel pcie: speed: 2.5 GT/s lanes: 1
   bus-ID: 03:00.0 chip-ID: 14e4:43a0
 Device-2: Broadcom NetXtreme BCM57766 Gigabit Ethernet PCIe driver: tg3
   v: kernel pcie: speed: 2.5 GT/s lanes: 1 port: N/A bus-ID: 04:00.0
   chip-ID: 14e4:1686

After updates the WiFi often appears as “DISABLED” in ip ad. Running

% iw dev wlp3s0 info
Interface wlp3s0
	ifindex 3
	wdev 0x1
	addr c8:e0:eb:44:d7:41
	ssid **********
	type managed
	wiphy 0

changes “DISABLED” to “UP” in ip ad and WiFi is working (I normally use ethernet, so my definition of “working” may not meet your needs).

3

I was able to resolve this by removing broadcom-wl, rebooting, installing broadcom-wl and rebooting again.

I tried the exact same procedure yesterday but for whatever reason, it didn’t work. Probably operator error → me.

Thanks for the other suggestions.

4

That is probably overkill if the ip shows wl as “DISABLED”.

5

Agreed. Unfortunately, “wl…” was not listed at all in my “ip” listing prior to re-installing the drivers. It is now and it’s working again. Thanks again.